Move cheaper check earlier in condition

RyanCavanaugh · RyanCavanaugh · commit e313e2e317d7 · 2015-09-29T11:12:34.000-07:00
diff --git a/src/compiler/scanner.ts b/src/compiler/scanner.ts
@@ -1361,9 +1361,9 @@ namespace ts {
                         if (text.charCodeAt(pos + 1) === CharacterCodes.equals) {
                             return pos += 2, token = SyntaxKind.LessThanEqualsToken;
                         }
-                        if (text.charCodeAt(pos + 1) === CharacterCodes.slash &&
-                                text.charCodeAt(pos + 2) !== CharacterCodes.asterisk &&
-                                languageVariant === LanguageVariant.JSX) {
+                        if (languageVariant === LanguageVariant.JSX &&
+                                text.charCodeAt(pos + 1) === CharacterCodes.slash &&
+                                text.charCodeAt(pos + 2) !== CharacterCodes.asterisk) {
                             return pos += 2, token = SyntaxKind.LessThanSlashToken;
                         }
                         return pos++, token = SyntaxKind.LessThanToken;

Original file line number	Diff line number	Diff line change
`@@ -1361,9 +1361,9 @@ namespace ts {`
`1361`	`1361`	`if (text.charCodeAt(pos + 1) === CharacterCodes.equals) {`
`1362`	`1362`	`return pos += 2, token = SyntaxKind.LessThanEqualsToken;`
`1363`	`1363`	`}`
`1364`		`- if (text.charCodeAt(pos + 1) === CharacterCodes.slash &&`
`1365`		`- text.charCodeAt(pos + 2) !== CharacterCodes.asterisk &&`
`1366`		`- languageVariant === LanguageVariant.JSX) {`
	`1364`	`+ if (languageVariant === LanguageVariant.JSX &&`
	`1365`	`+ text.charCodeAt(pos + 1) === CharacterCodes.slash &&`
	`1366`	`+ text.charCodeAt(pos + 2) !== CharacterCodes.asterisk) {`
`1367`	`1367`	`return pos += 2, token = SyntaxKind.LessThanSlashToken;`
`1368`	`1368`	`}`
`1369`	`1369`	`return pos++, token = SyntaxKind.LessThanToken;`